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Finding the Fourth Proportional to 133,378.68, 184,055.82 and 73,751.16

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Solution

The fourth proportional to 133,378.68, 184,055.82 and 73,751.16 is: 101,772.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,378.68 : 184,055.82 = 73,751.16 : x
  2. Step 2: Convert to fraction form
    133,378.68/184,055.82 = 73,751.16/x
  3. Step 3: Cross multiply
    133,378.68x = 184,055.82 × 73,751.16
  4. Step 4: Simplify right side
    133,378.68x = 13,574,330,229.75
  5. Step 5: Solve for x
    x = 13,574,330,229.75/133,378.68
  6. Step 6: Final answer
    x = 101,772.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.